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Rectifiers boast ultralow forward voltage drops

Posted: 17 Apr 2009 ?? ?Print Version ?Bookmark and Share

Keywords:Schottlky rectifier? voltage drop ultralow? GPS?

 MSS1P2U, MSS1P3U Schottky rectifiers

Vishay Intertechnology Inc. has released two new Schottky rectifiers with ultralow forward voltage drops of 0.35 V at + 85C and 0.4 V at + 25C.

Featuring the miniature MicroSMP power package and voltage ratings of 20V (MSS1P2U) and 30V (MSS1P3U) at 1A, the devices provide high current power density and low thermal resistance to enable space-saving designs.

The MicroSMP package of the MSS1P2U and MSS1P3U measures only 2.7mm x 1.4mm, with a 0.68mm profile. Combined with the devices' high current density of 1A, the rectifiers are designed to provide more power in a smaller space for snubbers in HDDs for notebook computers, LCD TVs and desktop TVs; secondary rectifiers for miniature switchmode power supplies and adaptors and for power-supply-type battery chargers; polarity protection for handheld equipment, such as PMPs, digital cameras, MP3 players, navigation systems, GPS and cellphones; and polarity protection of power lines and signal lines in automotive and industrial systems.

The MSS1P2U and MSS1P3U feature a peak forward surge current of 30A and maximum junction temperature of +125C. Suitable for automated placement, the rectifiers meet MSL level 1, per J-STD-020, LF maximum peak of + 260C. The devices are RoHS-complaint in accordance with 2002/95/EC and WEEE 2002/96/EC, and they are halogen-free according to IEC 61249-2-21.

Samples and production quantities of the MSS1P2U and MSS1P3U rectifiers are available, with lead times of eight weeks for larger orders.

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